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Lesson One Callsign dictation-4

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Lesson One Callsign Dictation-5

Complete the following passage with words chosen from this unit. The initial letter of each is given.When a person is born, he / she has a set of personalities that make him / her different from others. Psychologists believe that colors are sometimes a good way to i(1) how a person behaves and the way he / she r(2) to things that are happening to him / her. They can also r(3) personality traits. Nonetheless, we cannot be a(4) sure about a person's characteristics by just looking at his / her p(5) for certain colors. Therefore, we should not be h(6) and critical towards a person just because he / she likes a s(7) color that does not represent some positive t(8) or characteristics. Psychologists also believe that everyone can develop or change his / her personality. For example, if an i(9) wants to correct his / her negative traits such as his / her i(10) behavior, he / she has to make an e(11) to do so. He / She has to be p(12) and keep working hard to ensure that he / she can a(13) his / her goal. Therefore, if a person is determined, he / she can change the traints he / she i(14) from his / her parents. The important thing is to change for the better and not for the worse.

制作圆形风管时，每节管的两端应留出与法兰连接的折边余量，以不盖住法兰的螺栓孔为宜，一般为（）mm

A. 2-3
B. 3-4
C. 8-10
D. 10-12

咬口连接适用于厚度为（）mm的铝板

A. δ≤0.5
B. δ≤1.0
C. δ≤1.2
D. δ≤1.5